1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your Beretta Fonte LX 14 Liter Gas Boiler. Please read this manual thoroughly before attempting any installation or operation. Keep this manual for future reference.
The Beretta Fonte LX is an instant, open-chamber gas boiler designed for domestic hot water production. It features Low NOx technology and is ErP compliant, ensuring energy efficiency and reduced environmental impact. This model operates on natural gas and has a capacity of 14 liters per minute.
2. Safety Information
WARNING: Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Read the installation, operating, and maintenance instructions thoroughly before installing or servicing this equipment.
- Installation and service must be performed by a qualified installer, service agency, or gas supplier.
- Do not store or use gasoline or other flammable vapors and liquids in the vicinity of this or any other appliance.
- Ensure adequate ventilation in the installation area, as this is an open-chamber appliance.
- Never block the air inlets or outlets of the appliance.
- If you smell gas, immediately shut off the gas supply, open windows, and evacuate the premises. Do not operate electrical switches or phones. Contact your gas supplier or fire department.
- This appliance operates on batteries (2 x 1.5V batteries, supplied). Ensure batteries are correctly installed and replaced when indicated.
3. Product Overview
The Beretta Fonte LX 14 is a compact and efficient gas boiler designed for continuous hot water supply. Its modern design integrates seamlessly into various environments.
Figure 1: Front view of the Beretta Fonte LX 14 Liter Gas Boiler, highlighting its compact design and energy efficiency ratings (A for XL and M profiles).
3.1 Technical Drawings and Dimensions
Refer to the technical drawings for precise dimensions and connection points for both the Fonte LX 11 and Fonte LX 14 models. Ensure sufficient space for installation and maintenance.
Figure 2: Technical drawings showing dimensions and connection points for Fonte LX 11 and Fonte LX 14 models. Legend: G = gas, I = domestic hot water inlet, U = domestic hot water outlet. All dimensions are in millimeters.
3.2 Hydraulic Circuit
The Fonte LX features an innovative electronic gas valve with a pressure regulator, which electronically adjusts power based on the flow meter and NTC temperature sensor. This design simplifies maintenance and improves performance by eliminating the traditional mechanical gas valve with a diaphragm.
Figure 3: Diagram of the Beretta Fonte LX hydraulic circuit. Key components include: 1. NTC temperature probe, 2. Limit thermostat with display reset, 3. Heat exchanger, 4. Cooled burner, 5. Electronic gas valve with pressure regulator, 6. Flow limiter, 7. Flow meter, 8. Temperature regulator. UAC: Hot water outlet, EAF: Cold water inlet.
3.3 Control Panel
The modern and intuitive control panel allows for easy management of all water heater functions. It features a backlit display showing water temperature in °C, anomaly diagnostics, flame presence, and battery charge level.
Figure 4: Beretta Fonte LX control panel. A: Battery level LED. B: ON-OFF-CONFIRM button. C: Button to increase domestic hot water temperature. D: Button to decrease domestic hot water temperature. Pressing button D for 5 seconds allows for anomaly reset. A flashing LED indicates low battery.
4. Technical Specifications
| Feature | Specification |
|---|---|
| Brand | Beretta |
| Model Number | Fonte LX |
| Item Weight | 17 kg |
| Color | White |
| Style | Modern |
| Material | [Possibly] Copper or Stainless Steel |
| Energy Source | Natural Gas (Methane) |
| Flow Rate | 14 Liters Per Minute |
| Plug Profile | Wall-mounted |
| Special Features | Open Chamber, Low NOx, ErP Compliant |
| Capacity | 14 Liters |
| Maximum Temperature | 25 Degrees Celsius (Temperature rise) |
| Efficiency | High (Energy Class A for Sanitary Water) |
5. Setup & Installation
Installation of the Beretta Fonte LX gas boiler must be carried out by a qualified and certified professional in accordance with all local and national regulations for gas appliances and plumbing.
5.1 Pre-Installation Checks
- Verify that the gas type (methane) matches the appliance specifications.
- Ensure the installation location provides adequate ventilation for an open-chamber appliance.
- Check that water and gas supply lines are accessible and meet required specifications.
- Confirm that the flue system is correctly sized and installed for proper exhaust of combustion products. Refer to Figure 2 for minimum vertical flue height.
5.2 Mounting the Appliance
Mount the boiler securely to a suitable wall using appropriate fasteners. Refer to the technical drawings (Figure 2) for mounting dimensions and clearances.
5.3 Connecting Water and Gas
- Connect the cold water inlet (I) and hot water outlet (U) to the domestic water system.
- Connect the gas supply (G) to the appliance, ensuring all connections are leak-free and tested by a professional.
5.4 Battery Installation
The appliance operates on 2 x 1.5V batteries (supplied). Open the battery compartment, insert the batteries according to the polarity markings, and close the compartment. The battery level LED (A on Figure 4) will indicate the charge level.
6. Operation
The Beretta Fonte LX features a user-friendly control panel for easy operation.
6.1 Powering On/Off
- Press the ON-OFF-CONFIRM button (B on Figure 4) to turn the appliance on or off.
- When on, the backlit display will show the current water temperature.
6.2 Adjusting Water Temperature
- To increase the domestic hot water temperature, press button C (Figure 4).
- To decrease the domestic hot water temperature, press button D (Figure 4).
- The display will show the set temperature.
6.3 Hot Water Delivery
The boiler will automatically ignite and provide hot water when a hot water tap is opened. The electronic gas valve ensures precise temperature control and efficient operation.
7. Maintenance
Regular maintenance is crucial for the safe, efficient, and long-lasting operation of your Beretta Fonte LX gas boiler. All maintenance should be performed by a qualified service technician.
- Annual Inspection: It is recommended to have the boiler inspected and serviced annually by a qualified professional. This includes checking for gas leaks, combustion efficiency, flue integrity, and general component wear.
- Cleaning: Keep the exterior of the appliance clean. Do not use abrasive cleaners.
- Battery Replacement: When the battery level LED (A on Figure 4) flashes, replace the 2 x 1.5V batteries promptly to ensure continuous operation.
- Water Quality: In areas with hard water, consider installing a water softener to prevent scale buildup, which can affect efficiency and lifespan.
8. Troubleshooting
If the appliance encounters an anomaly, the display may show an error code. Refer to the specific error code in the full service manual for detailed troubleshooting steps.
- No Hot Water: Check if the appliance is powered on. Ensure gas and water supplies are open. Verify battery charge.
- Low Water Temperature: Adjust the temperature setting using buttons C and D. Check water flow rate.
- Anomaly Reset: If an anomaly occurs and the display shows an error, you can attempt to reset the appliance by pressing button D (Figure 4) for 5 seconds. If the anomaly persists, contact a qualified service technician.
- Flashing Battery LED: Replace the 2 x 1.5V batteries.
If you suspect a gas leak or any serious malfunction, immediately shut off the gas supply and contact a qualified professional or emergency services.
9. Warranty & Support
Specific warranty details for the Beretta Fonte LX gas boiler are typically provided at the point of purchase or with the product packaging. Please refer to your purchase documentation for warranty terms and conditions.
For technical support, service, or warranty claims, please contact your authorized Beretta dealer or a qualified service technician. Ensure you have your product model number (Fonte LX) and serial number available when seeking assistance.
